<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="@/assets/img/xuan.jpg">
      </div>
      <el-form ref="loginFromRef" :model="loginForm" class="login_form" :rules="loginFormRules">
        <el-form-item prop='username'>
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <el-form-item prop='password'>
          <el-input type="password" show-password v-model="loginForm.password" prefix-icon="el-icon-lock"></el-input>
        </el-form-item>
        <el-form-item class="btn">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
        </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        loginForm: {
          username:'admin',
          password:'123456'
        },
        loginFormRules:{
          username:[
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
        }
      }
    },
 methods:{
   resetLoginForm(){
     this.$refs.loginFromRef.resetFields()
   },
   login(){
     this.$refs.loginFromRef.validate(async valid => {
       if(!valid) return
      const {data:res} = await this.$http.post('login', this.loginForm)
      console.log(res);
      if(res.meta.status != 200) return this.$Message.error("登录失败,请检查账号密码是否正确");
      this.$Message.success("登录成功");
      window.sessionStorage.setItem('token',res.data.token)
      this.$router.push("/home")
     })
   }
 }
  }
</script>

<style lang="less" scoped>
  .login_container{
    background-color: #2b4b6b;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .login_box{
    height: 300px;
    width: 450px;
    background-color: #fff;
    position: relative;
  }
  .avatar_box{
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    margin: 0 auto;
    margin-top: -65px;
    background-color: #eee;     
     border-radius: 50%;      padding: 10px;
     box-shadow: 0 0 10px #ddd;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
    }
  }
  .login_form{
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 0 20px;
    box-sizing: border-box;
    width: 100%;
  }
  .btn{
    display: flex;
    justify-content: flex-end;
  }
</style>
